Incredibly smooth and colorful, the new Acroball Colors Pen from Pilot has it all A stylish design, comfortable contoured grip, and incredibly smooth effortless writing! Acroball™s advanced ink allows you to express yourself brilliantly with ultrasmooth, colorful, smearresistant formula. Not only is the Acroball pen fun to write with, it is also retractable and refillable, so you won't have to worry about losing a cap or running out of ink. Pilot Acroball Color pens are available in a variety of different barrel colors, with an advanced ink in a matching color and a medium (1.0mm) point. See what everyone is talking about Buy a pack today!